IA

IA or ia may mean:

Interlingua (ISO 639 alpha-2, 'ia)
Iowa (U. S. postal abbreviation)
Intel Architecture - Intel's microprocessor designs.
- IA-4 (the founding of microprocessors)
- IA-8 (most popular microcomputer CPUs of the 70s)
- IA-16 (CISC architecture that established the x86 CPUs)
- IA-32 (CISC over RISC architecture found in 32-bit x86 CPUs)
- IA-64 (EPIC variant VLIW architecture found in Itaniums)
Information architecture
the IATA code for Iraqi Airways
Internal Assessment

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